Ключевые слова: architecture, brick wall, building, building activity, building exterior, built structure, cast iron, collection, construction material, copper, copy space, detail, down, downpipe, downspout, downspouts, drain, drainpipe, exterior, facade, gathering, gutter, industry, metal, metallic, old, pipe, pipe tube, rain, rainwater, recovery, recuperation, recuperator, rust, rusty, steel, stone material, the past, tube, urban, vintage, wall, wall building feature, water, weather,